Which of the following was not present in the primitive atmosphere on Earth?

Keep practicing — related questions

• Which of the following was absent in the atmosphere of the primitive earth?
• According to the studies, which of the following gases was not present in early Earth's atmosphere?
• In the atmosphere of the primitive earth there was no
• In the atmosphere of the primitive earth there was no
• Which one of the following was not present in earth's atmosphere before the origin of life?
• The primitive atmosphere of earth was devoid of
• What did primitive atmosphere of Earth contain?
• Which among the following heavenly bodies is the source of energy to our planet earth?